LT1963A Series
U
TYPICAL APPLICATIO S
Adjustable Current Source
Paralleling of Regulators for Higher Output Current
R1
0.01Ω
R5
LT1963A-3.3
3.3V
3A
C2
22µF
LT1963A-1.8
IN
OUT
0.01Ω
+
+
LOAD
IN
OUT
C1
100µF
V
> 3.7V
IN
R1
+
C1
10µF
1k
SHDN
GND
FB
V
IN
> 2.7V
SHDN
GND
FB
LT1004-1.2
R4
R6
R8
100k
R2
80.6k
C3
1µF
2.2k 2.2k
R2
0.01Ω
LT1963A
R3
2k
IN
OUT
R7
470Ω
R6
2
3
8
6.65k
+
–
SHDN
SHDN
GND
FB
1
1/2
LT1366
R7
4.12k
4
C2
3.3µF
NOTE: ADJUST R1 FOR
1963 TA04
0A TO 1.5A CONSTANT CURRENT
R3
2.2k
R4
2.2k
R5
1k
3
2
8
+
–
1
1/2
LT1366
C3
0.01µF
4
1963 TA05
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PART NUMBER
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RMS
RMS
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25mA Quiescent Current, 20mV
30mA Quiescent Current, 20mV
Noise, MSOP Package
Noise, SO-8 Package
Noise
340mV Dropout Voltage, 40mV
RMS
RMS
RMS
30mA Quiescent Current, 20mV
30mA Quiescent Current, 30mV
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Burst Mode is a registered trademark of Linear Technology Corporation.
ThinSOT is a trademark of Linear Technology Corporation.
1963af
LT/TP 0602 2K • PRINTED IN USA
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
20
■
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(408) 432-1900 FAX: (408) 434-0507 www.linear.com
„ LINEAR TECHNOLOGY CORPORATION 2002
Linear [ Linear ]
